How to Execute PHP Code after HTML Page Load


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Got some code you’d like to run after your HTML page has loaded? Here’s how to execute some PHP after the rest of the page has loaded, using jQuery.

PHP is server side, so it’s pretty much impossible to do this without using a client-side language such as JavaScript or Ajax. In this example, we’ll be using jQuery’s load() method, so you’ll need to include the jQuery library.

After that, create a placeholder on your page for where you want your external content to be loaded into:

<div id="loading-area">
	<p style="text-align:center">Loading...</p>
</div>

Lastly, using jQuery’s load function, we’ll add this page into the placeholder created above. This will replace anything within our loading-area div, replacing it with our external page’s content/code. Put this bit at the bottom of your page so it runs after the rest of your page has loaded. Be sure to get the path to your file right:

<script>$('#loading-area').load('/testpage.php');</script>

Alternatively, wrap a window load event around it like this (jQuery below v3):

<script>
	$(window).load(function(){
		$('#loading-area').load('/testpage.php');
	})
</script>

Or like this (jQuery V3+)…

<script>
	$(window).on('load', function () {
		$('#loading-area').load('/testpage.php');
	})
</script>

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